31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
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From 10f931c703c68b4fc856e09788dfe64579252bb8 Mon Sep 17 00:00:00 2001
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From: peak3d <pfau@peak3d.de>
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Date: Thu, 22 Jul 2021 10:48:36 +0200
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Subject: [PATCH] Dazn sample duration workaround
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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Source/C++/Core/Ap4TrunAtom.cpp | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/Source/C++/Core/Ap4TrunAtom.cpp b/Source/C++/Core/Ap4TrunAtom.cpp
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index c51f21d..77b7c6d 100644
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--- a/Source/C++/Core/Ap4TrunAtom.cpp
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+++ b/Source/C++/Core/Ap4TrunAtom.cpp
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@@ -128,6 +128,12 @@ AP4_TrunAtom::AP4_TrunAtom(AP4_UI32 size,
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for (unsigned int i=0; i<sample_count; i++) {
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if (flags & AP4_TRUN_FLAG_SAMPLE_DURATION_PRESENT) {
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stream.ReadUI32(m_Entries[i].sample_duration);
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+ // Workaround for dazn streams, which provide 24 -> 1 sequences
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+ if (i && m_Entries[i].sample_duration == 1 && m_Entries[i - 1].sample_duration > 1)
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+ {
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+ m_Entries[i].sample_duration = m_Entries[i - 1].sample_duration >> 1;
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+ m_Entries[i - 1].sample_duration -= m_Entries[i].sample_duration;
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+ }
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--record_fields_count;
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}
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if (flags & AP4_TRUN_FLAG_SAMPLE_SIZE_PRESENT) {
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--
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2.30.2
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